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/* Test of logb() function.
Copyright (C) 2010-2023 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Written by Bruno Haible <bruno@clisp.org>, 2010. */
#include <config.h>
#include <math.h>
#include "signature.h"
SIGNATURE_CHECK (logb, double, (double));
#include <float.h>
#include "minus-zero.h"
#include "macros.h"
#define DOUBLE double
/* The use of 'volatile' guarantees that excess precision bits are dropped
when dealing with denormalized numbers. It is necessary on x86 systems
where double-floats are not IEEE compliant by default, to avoid that the
results become platform and compiler option dependent. 'volatile' is a
portable alternative to gcc's -ffloat-store option. */
#define VOLATILE volatile
#define HUGEVAL HUGE_VAL
#define L_(literal) literal
#define MINUS_ZERO minus_zerod
#define MAX_EXP DBL_MAX_EXP
#define MIN_EXP DBL_MIN_EXP
#define MIN_NORMAL_EXP DBL_MIN_EXP
#define LOGB logb
#define RANDOM randomd
#include "test-logb.h"
int
main ()
{
test_function ();
return 0;
}
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